Subject :NSO Class : Class 4
Subject :NSO Class : Class 1
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 2
Ans 1:
Class : Class 2
Have a lovely happy Diwali to all of you love Gaurika â¤ï¸â¤ï¸â¤ï¸â¤ï¸ð°ð¨ðªðªðªð«ð«ð«ðð eat yummy yummy pastries chocolates and Cakes on the Diwali pandalð«
Ans 2:
Class : Class 2
Oh very happy Diwalð«ðð. Happy childrenâs dayâ¤ï¸. And happy science dayð¤©
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 7
Fill in the blanks by choosing an appropriate option.
When sugar is dissolved in water, it undergoes a (i) change but if sugar is heated in a test tube over the Bunsen burner flame, it first melts, turns brown and finally turns (ii) . The new substance formed is (iii) and the change is a (iv) change.
| (i) | (ii) | (iii) | (iv) | |
| A | Physical, reversible | Black | Charcoal | Chemical, irreversible |
| B | Physical, irreversible | Black | Coal | Chemical, irreversible |
| C | Physical, irreversible | Red | Charcoal | Chemical, reversible |
| D | Physical, reversible | Red | Coal | Chemical, reversible |